Synthesis of carbon nanocomposites consisting of nanocellulose-derived carbon and reduced graphene oxide for high-performance captive deionization

Several types of nanocellulose-derived carbon/reduced graphene oxide (rGO) nanocomposites are synthesized using three nanocellulose types: cellulose nanofibers (CNF), long cellulose nanocrystals (CNC-L), and short cellulose nanocrystals (CNC-S). The nanocomposites achieve a large surface area due to the small nanocellulose fibers acting as spacers. For the capacitive deionization (CDI) test, the CNC-L/rGO is selected and compared with the rGO prepared without nanocelluloses. It achieves a high sodium ion adsorption capacity of 45.67 mg g<sup>-1</sup> and a high salt adsorption capacity of 57.08 mg g<sup>-1</sup> at a NaCl concentration of 2000 mg L<sup>-1</sup>. Excellent stability and performance are also confirmed across varying saline concentrations. These outstanding properties make the CNC-L/rGO a promising electrode material for efficient and sustainable water desalination.

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Publication Details

Journal
Nanoscale Horizons
Published
2025-10-16
DOI
https://doi.org/10.1039/d5nh00306g
Primary Topic
Membrane-based Ion Separation Techniques
Type
article
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article

Synthesis of carbon nanocomposites consisting of nanocellulose-derived carbon and reduced graphene oxide for high-performance captive deionization

Xingtao Xu, Yusuke Yamauchi, Md. Shahriar A. Hossain, Scott W. Donne et al.
Nanoscale Horizons
Membrane-based Ion Separation Techniques
article

Synthesis of carbon nanocomposites consisting of nanocellulose-derived carbon and reduced graphene oxide for high-performance captive deionization

Xingtao Xu, Yusuke Yamauchi, Md. Shahriar A. Hossain, Scott W. Donne, Azhar Alowasheeir, Tansir Ahamad, Yusuke Asakura, Yoshio Bando, Md. Ikram Ul Hoque, Dong Jiang
article en

Abstract

Several types of nanocellulose-derived carbon/reduced graphene oxide (rGO) nanocomposites are synthesized using three nanocellulose types: cellulose nanofibers (CNF), long cellulose nanocrystals (CNC-L), and short cellulose nanocrystals (CNC-S). The nanocomposites achieve a large surface area due to the small nanocellulose fibers acting as spacers. For the capacitive deionization (CDI) test, the CNC-L/rGO is selected and compared with the rGO prepared without nanocelluloses. It achieves a high sodium ion adsorption capacity of 45.67 mg g<sup>-1</sup> and a high salt adsorption capacity of 57.08 mg g<sup>-1</sup> at a NaCl concentration of 2000 mg L<sup>-1</sup>. Excellent stability and performance are also confirmed across varying saline concentrations. These outstanding properties make the CNC-L/rGO a promising electrode material for efficient and sustainable water desalination.

Nanoscale HorizonsVol. 11(2)
Queensland University of Technology (AU), The University of Queensland (AU), Yonsei University (KR), University of Wollongong (AU), King Saud University (SA), Zhejiang Ocean University (CN), Université Bourgogne Franche-Comté (FR), Nagoya University (JP), University of Newcastle Australia (AU)
Openalex Percentile: Top 72%
Membrane-based Ion Separation Techniques
DOISourceOpenAlex
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